@book{50074,
	author = {Pirnot, Thomas L.},
	title = {Mathematics all around /},
	publisher = {Addison-Wesley,},
	year = {c2010},
	address = {Boston :},
	edition = {4th ed.},
	note = {Includes indexes},
	url = {http://www.loc.gov/catdir/toc/ecip0821/2008028327.html}
}